fix #763

Author: DonJayamanne

package.json

@@ -882,6 +882,11 @@
 "default": true,
 "description": "Whether to lint Python files."
 },
+"python.linting.enabledWithoutWorkspace": {
+"type": "boolean",
+"default": true,
+"description": "Whether to lint Python files when no workspace is opened."
+},
 "python.linting.prospectorEnabled": {
 "type": "boolean",
 "default": false,

src/client/common/configSettings.ts

@@ -49,6 +49,7 @@ export interface IPylintCategorySeverity {
 }
 export interface ILintingSettings {
  enabled: boolean;
+ enabledWithoutWorkspace: boolean;
  ignorePatterns: string[];
  prospectorEnabled: boolean;
  prospectorArgs: string[];
@@ -162,6 +163,7 @@ export class PythonSettings extends EventEmitter implements IPythonSettings {
  // Support for travis
  this.linting = this.linting ? this.linting : {
  enabled: false,
+ enabledWithoutWorkspace: false, 
  ignorePatterns: [],
  flake8Args: [], flake8Enabled: false, flake8Path: 'flake',
  lintOnSave: false, lintOnTextChange: false, maxNumberOfProblems: 100,

src/client/common/installer.ts

@@ -64,7 +64,7 @@ ProductNames.set(Product.pytest, 'py.test');
 ProductNames.set(Product.yapf, 'yapf');
 
 const SettingToDisableProduct = new Map<Product, string>();
-SettingToDisableProduct.set(Product.autopep8, '');
+SettingToDisableProduct.set(Product.autopep8, 'autopep8');
 SettingToDisableProduct.set(Product.flake8, 'linting.flake8Enabled');
 SettingToDisableProduct.set(Product.mypy, 'linting.mypyEnabled');
 SettingToDisableProduct.set(Product.nosetest, 'unitTest.nosetestsEnabled');
@@ -176,7 +176,12 @@ export class Installer {
 export function disableLinter(product: Product) {
  const pythonConfig = vscode.workspace.getConfiguration('python');
  const settingToDisable = SettingToDisableProduct.get(product);
- pythonConfig.update(settingToDisable, false);
+ if (vscode.workspace.rootPath) {
+ return pythonConfig.update(settingToDisable, false);
+ }
+ else {
+ return pythonConfig.update('linting.enabledWithoutWorkspace', false, true);
+ }
 }
 
 function isTestFrameworkInstalled(product: Product): Promise<boolean> {

src/client/providers/lintProvider.ts

@@ -157,6 +157,9 @@ export class LintProvider extends vscode.Disposable {
  this.pendingLintings.set(document.uri.fsPath, cancelToken);
  this.outputChannel.clear();
  let promises: Promise<linter.ILintMessage[]>[] = this.linters.map(linter => {
+ if (!vscode.workspace.rootPath && !this.settings.linting.enabledWithoutWorkspace) {
+ return Promise.resolve([]);
+ }
  if (!linter.isEnabled()) {
  return Promise.resolve([]);
  }